Controller



May 31, 1927. 1,630,516

K. BERGER CONTROLLER Flevd A1192. 2, 1926 INVENTOR ATTORNEY Patented May 31, 1927.

UNITED STATES KNUTIE BERG-ER, F SEATTLE, WJLSHNGTON.

CONTROLLER.

My invention relates `to improvements in marine engine controllers ot' a i'orm `especially `adapted for use in connection with pneumatic reverse gear operating' devices ot 'the type disclosed in my copending' application Serial No. 126,6087 filed August 2. 1926. and the object of my invention is to provide a controller of simple and eficient const-ruction that is adapted for controlling reverse gear operating devices, from a remote point.

Another object is to provide a controller that is etlicientin operation and that is morable in substantially the same manner as the signalling devices nowcoinmonly employed in marine work.

Another object is to provide a controller of this nature that is constructed so as to atford an overthrow and subsequent recoil in both directions to meet certain requirements of the reverse gear operating! devices de scribed in my co-pending application hereinbetore referred to.

Other and more specific objects Vwill be apparent from the following description taken in connection with the accompanying' drawings.

ln the drawings Figure 1 is a view in vertical mid-section substantially on line 1--1 of Fig. 2 of a controller constructed in accordance with my invention.

Fig. 2 is a view in frontelevation ot the same.

Referring to the drawings. throughout which like reference numerals designate like parts, 5 and 6 designate the upper and lower parts respectively ot a controller housing', said parts being flanged as at 7 and rigidly secured together b v bolts 8. The `flanges 7 are provided with bearing hubs 10 tor the reception ot a transverse shaft 11. A controller handle 12 is rigidly secured to the shaft 11 external to the housing and overhangs the upper housing` part 5 and a. grooved wheel or pulley 13' is rigidly secured to said shaft 11 within the controller housing. A flexible operating' member as a chain 111 is rigidly secured as by a pin 15 to the pulley 13 and extends downwardly out of the bottom end of the controller housing; and to any remote point there to connect'. with reverse gear operating means or other desired means.

The upper housing part is of semicircular shape and is provided on its top edite with a rib 16 forming a traekwavon which a roller 17 may run. The roller 17 is mount- Serial No. 126,606.

ed in a plug` 18 that is slidable in a bore 19 .in the handle 12 and is urged outwardly by a spring' 20. The lower end ot the plusr 18 is slotted tor the reception oitI the roller 17 and the lower ends 21 of said bar project beyond the periphery ot the roller, 17 and .tit over the sides ot the trackway 16 `to serve as a guide means tor the handle. The trackway 1o is provided at the desired points with recesses 22 'for the reception ot the roller 17. said recesses serving as detents to hold the handle in a set position until a torce is exerted to move the same. In practice three ot' the recesses 22 are preterably provided. one in the center for a neutral position and one to each side ot the center :for the ahead and astern positions.

The lower housing member 6 is provided `on one side near the respective ends with tubular receptacles 23 and 21- i'iorthe reception oi butter pins 25 that are resiliently supported and urged upwardly by compressionv springs 26 that rest on plugs 27 which are threaded into the bottom ends oit the receptacles 23 and 241. The handle 12 is provided on opposite sides with bosses 28 for the reception ot bumper screws 30 that are made adjustable by lock nuts 31. lhen the handle 12 is thrown over to one side the head ot the screw 8O on the side toward which the handle is moved will strike against the corresiionding,r butler pin 25 compressing' the springl 26, moving the butler pin 25 downwardly and permitting :in overthrow ot the handle 12. The head of the screw 30 engages the butter pin 25 at substantially the same time that the roller 17 drops into the recess 22. but thepressure on the handle 12 is continued and said handle is moved on past the position in which the roller 17 drops into the notch 22, compressing' the spring 20 and imparting` an overthrow to the handle, thus imparting extra movement to the chain 14. As soon as the handle 12 is released the recoil ot spring; 26V moves the handle b ack to the normal operative position with the roller 17 in the notch 22. This overthrow and recoil live the movement required for the satisfactory operation ot the pneumatic reversing;` gear mechanism disclosed in my copending application hereinbet'ore referred to.

This controller may be installed in the pilot house ot a ship and the chains 141 may extend to and be connected with the reverse gear operating' means in the engine room 

